Ch.3, L.3: Wireless Communication Quiz
Authored by Lawton Boyd
Science
7th - 8th Grade
NGSS covered
Used 4+ times
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11 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
1. What is orbiting Earth that receive radio, television, and telephone signals and then transmit them around the world?
GPS
Transmitter
Communication Satellite
Cell Phone Tower
Tags
NGSS.HS-PS4-1
NGSS.HS-PS4-5
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does AM stand for?
amplitude modulation
access monitor
amplitude mounting
access modulation
Tags
NGSS.HS-PS4-1
NGSS.HS-PS4-5
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is amplitude modulation?
a method of broadcasting signals by keeping the amplitude of a wave the same.
is a method of broadcasting signals by changing the amplitude of a wave.
a method of broadcasting signals by changing the frequency of a wave.
Tags
NGSS.HS-PS4-5
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
AM waves have relatively ________ wavelengths and __________ frequencies.
long, low
long, high
short, low
short, high
Tags
NGSS.HS-PS4-1
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
FM stands for...
frequency model
frequency modulation
frequently modeling
frequently modulation
Tags
NGSS.HS-PS4-1
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In FM waves, _____________________ is constant, while ___________________ changes.
amplitude, frequency
frequency, amplitude
wavelength, amplitude
amplitude, wavelength
Tags
NGSS.HS-PS4-1
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following best describes how cell phone calls are made?
Cell sends out microwaves > a tower picks them up & transfers to hub > hub transmits to a receiver > receiver transmits to other phone.
Hub sends out microwaves > cell phone picks them up > cell phone sends direct signal to next phone
Receiver transmits to other phone > hub transmits to receiver > tower picks them up and transfers to original phone.
Tags
NGSS.HS-PS4-1
NGSS.HS-PS4-5
NGSS.HS-PS4-3
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